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What is not true about sclereids?
[1996]
- a)These are parenchyma cells with thickened lignified walls
- b)These are elongated and flexible with tapered ends
- c)These are commonly found in the shells of nuts and in the pulp of guava, pear, etc
- d)These are also called the stone cells
Correct answer is option 'A'. Can you explain this answer?
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What is not true about sclereids?[1996]a)These are parenchyma cells wi...
Sclereids are small bundles of sclerenchyma tissue in plants that form durable layers, such as the cores of apples and the gritty texture of pears. Sclereids are variable in shape. The cells can be isodiametric, prosenchymatic, forked or fantastically branched. The cell walls fill nearly all the cell’s volume. The shell of many seeds like those of nuts as well as the stones of drupes like cherries or plums are made up from sclereid.
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What is not true about sclereids?[1996]a)These are parenchyma cells wi...
Correct option (a) These are parenchyma cells with thickened lignified walls Explanation Sclereids are broad sclerenchyma cells which may be oval, spherical, cylindrical, or stellate ln structure. Sclereids develop from sclerenchyma cells, occur singly or in groups to provide stiffness. These may be of different types, such as brachysclereids (stone cells) found in grit of pear, apple, macrosclereids.
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What is not true about sclereids?[1996]a)These are parenchyma cells wi...
Sclereids are a type of sclerenchyma cells that are found in various plant tissues. They are responsible for providing mechanical support and protection to the plant. Let's discuss each option and explain why option A is not true about sclereids.
a) These are parenchyma cells with thickened lignified walls:
This statement is not true about sclereids. Sclereids are not parenchyma cells; they are a type of sclerenchyma cells. Parenchyma cells are simple plant cells that have thin cell walls and are involved in various physiological functions like photosynthesis, storage, and secretion. Sclereids, on the other hand, have thickened lignified walls and are specialized for mechanical support and protection. They are often found in hard plant structures like shells of nuts and stones of fruits.
b) These are elongated and flexible with tapered ends:
This statement is true about sclereids. Sclereids are typically elongated cells with tapered ends. This shape allows them to interlock with each other, providing strength and resistance to bending or stretching. However, they are not flexible due to their thickened cell walls.
c) These are commonly found in the shells of nuts and in the pulp of guava, pear, etc.:
This statement is true about sclereids. Sclereids are commonly found in the shells of nuts, where they contribute to the hardness and toughness of the protective outer layer. They are also present in the pulp of fruits like guava and pear, where they provide a gritty texture.
d) These are also called the stone cells:
This statement is true about sclereids. Sclereids are often referred to as stone cells because they are commonly found in the stones or pits of fruits like peaches, cherries, and olives. These stone cells give hardness and rigidity to the fruit stones.
In conclusion, option A is not true because sclereids are not parenchyma cells with thickened lignified walls. Instead, they are a type of sclerenchyma cells with thickened lignified walls that provide mechanical support and protection to plant tissues.
a) These are parenchyma cells with thickened lignified walls:
This statement is not true about sclereids. Sclereids are not parenchyma cells; they are a type of sclerenchyma cells. Parenchyma cells are simple plant cells that have thin cell walls and are involved in various physiological functions like photosynthesis, storage, and secretion. Sclereids, on the other hand, have thickened lignified walls and are specialized for mechanical support and protection. They are often found in hard plant structures like shells of nuts and stones of fruits.
b) These are elongated and flexible with tapered ends:
This statement is true about sclereids. Sclereids are typically elongated cells with tapered ends. This shape allows them to interlock with each other, providing strength and resistance to bending or stretching. However, they are not flexible due to their thickened cell walls.
c) These are commonly found in the shells of nuts and in the pulp of guava, pear, etc.:
This statement is true about sclereids. Sclereids are commonly found in the shells of nuts, where they contribute to the hardness and toughness of the protective outer layer. They are also present in the pulp of fruits like guava and pear, where they provide a gritty texture.
d) These are also called the stone cells:
This statement is true about sclereids. Sclereids are often referred to as stone cells because they are commonly found in the stones or pits of fruits like peaches, cherries, and olives. These stone cells give hardness and rigidity to the fruit stones.
In conclusion, option A is not true because sclereids are not parenchyma cells with thickened lignified walls. Instead, they are a type of sclerenchyma cells with thickened lignified walls that provide mechanical support and protection to plant tissues.
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What is not true about sclereids?[1996]a)These are parenchyma cells with thickened lignified wallsb)These are elongated and flexible with tapered endsc)These are commonly found in the shells of nuts and in the pulp of guava, pear, etcd) These are also called the stone cellsCorrect answer is option 'A'. Can you explain this answer?
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What is not true about sclereids?[1996]a)These are parenchyma cells with thickened lignified wallsb)These are elongated and flexible with tapered endsc)These are commonly found in the shells of nuts and in the pulp of guava, pear, etcd) These are also called the stone cellsCorrect answer is option 'A'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What is not true about sclereids?[1996]a)These are parenchyma cells with thickened lignified wallsb)These are elongated and flexible with tapered endsc)These are commonly found in the shells of nuts and in the pulp of guava, pear, etcd) These are also called the stone cellsCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is not true about sclereids?[1996]a)These are parenchyma cells with thickened lignified wallsb)These are elongated and flexible with tapered endsc)These are commonly found in the shells of nuts and in the pulp of guava, pear, etcd) These are also called the stone cellsCorrect answer is option 'A'. Can you explain this answer?.
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